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-rw-r--r--hw/ppc_prep.c183
1 files changed, 125 insertions, 58 deletions
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 504ca33a9..c42688e42 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -21,11 +21,25 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "nvram.h"
+#include "pc.h"
+#include "fdc.h"
+#include "net.h"
+#include "sysemu.h"
+#include "isa.h"
+#include "pci.h"
+#include "ppc.h"
+#include "boards.h"
//#define HARD_DEBUG_PPC_IO
//#define DEBUG_PPC_IO
+/* SMP is not enabled, for now */
+#define MAX_CPUS 1
+
+#define MAX_IDE_BUS 2
+
#define BIOS_FILENAME "ppc_rom.bin"
#define KERNEL_LOAD_ADDR 0x01000000
#define INITRD_LOAD_ADDR 0x01800000
@@ -101,16 +115,16 @@ static uint32_t speaker_ioport_read (void *opaque, uint32_t addr)
static void _PPC_intack_write (void *opaque,
target_phys_addr_t addr, uint32_t value)
{
- // printf("%s: 0x%08x => 0x%08x\n", __func__, addr, value);
+// printf("%s: 0x" PADDRX " => 0x%08" PRIx32 "\n", __func__, addr, value);
}
-static inline uint32_t _PPC_intack_read (target_phys_addr_t addr)
+static always_inline uint32_t _PPC_intack_read (target_phys_addr_t addr)
{
uint32_t retval = 0;
if (addr == 0xBFFFFFF0)
retval = pic_intack_read(isa_pic);
- // printf("%s: 0x%08x <= %d\n", __func__, addr, retval);
+// printf("%s: 0x" PADDRX " <= %08" PRIx32 "\n", __func__, addr, retval);
return retval;
}
@@ -180,7 +194,7 @@ static struct {
static void PPC_XCSR_writeb (void *opaque,
target_phys_addr_t addr, uint32_t value)
{
- printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
+ printf("%s: 0x" PADDRX " => 0x%08" PRIx32 "\n", __func__, addr, value);
}
static void PPC_XCSR_writew (void *opaque,
@@ -189,7 +203,7 @@ static void PPC_XCSR_writew (void *opaque,
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap16(value);
#endif
- printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
+ printf("%s: 0x" PADDRX " => 0x%08" PRIx32 "\n", __func__, addr, value);
}
static void PPC_XCSR_writel (void *opaque,
@@ -198,14 +212,14 @@ static void PPC_XCSR_writel (void *opaque,
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap32(value);
#endif
- printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
+ printf("%s: 0x" PADDRX " => 0x%08" PRIx32 "\n", __func__, addr, value);
}
static uint32_t PPC_XCSR_readb (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
- printf("%s: 0x%08lx <= %d\n", __func__, (long)addr, retval);
+ printf("%s: 0x" PADDRX " <= %08" PRIx32 "\n", __func__, addr, retval);
return retval;
}
@@ -214,7 +228,7 @@ static uint32_t PPC_XCSR_readw (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
- printf("%s: 0x%08lx <= %d\n", __func__, (long)addr, retval);
+ printf("%s: 0x" PADDRX " <= %08" PRIx32 "\n", __func__, addr, retval);
#ifdef TARGET_WORDS_BIGENDIAN
retval = bswap16(retval);
#endif
@@ -226,7 +240,7 @@ static uint32_t PPC_XCSR_readl (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
- printf("%s: 0x%08lx <= %d\n", __func__, (long)addr, retval);
+ printf("%s: 0x" PADDRX " <= %08" PRIx32 "\n", __func__, addr, retval);
#ifdef TARGET_WORDS_BIGENDIAN
retval = bswap32(retval);
#endif
@@ -249,6 +263,7 @@ static CPUReadMemoryFunc *PPC_XCSR_read[] = {
/* Fake super-io ports for PREP platform (Intel 82378ZB) */
typedef struct sysctrl_t {
+ qemu_irq reset_irq;
m48t59_t *nvram;
uint8_t state;
uint8_t syscontrol;
@@ -267,7 +282,8 @@ static void PREP_io_write (void *opaque, uint32_t addr, uint32_t val)
{
sysctrl_t *sysctrl = opaque;
- PPC_IO_DPRINTF("0x%08lx => 0x%08x\n", (long)addr - PPC_IO_BASE, val);
+ PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
+ val);
sysctrl->fake_io[addr - 0x0398] = val;
}
@@ -275,7 +291,7 @@ static uint32_t PREP_io_read (void *opaque, uint32_t addr)
{
sysctrl_t *sysctrl = opaque;
- PPC_IO_DPRINTF("0x%08lx <= 0x%08x\n", (long)addr - PPC_IO_BASE,
+ PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n", addr - PPC_IO_BASE,
sysctrl->fake_io[addr - 0x0398]);
return sysctrl->fake_io[addr - 0x0398];
}
@@ -284,13 +300,16 @@ static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
{
sysctrl_t *sysctrl = opaque;
- PPC_IO_DPRINTF("0x%08lx => 0x%08x\n", (long)addr - PPC_IO_BASE, val);
+ PPC_IO_DPRINTF("0x%08" PRIx32 " => 0x%02" PRIx32 "\n",
+ addr - PPC_IO_BASE, val);
switch (addr) {
case 0x0092:
/* Special port 92 */
/* Check soft reset asked */
if (val & 0x01) {
- // cpu_interrupt(first_cpu, PPC_INTERRUPT_RESET);
+ qemu_irq_raise(sysctrl->reset_irq);
+ } else {
+ qemu_irq_lower(sysctrl->reset_irq);
}
/* Check LE mode */
if (val & 0x02) {
@@ -338,8 +357,8 @@ static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
sysctrl->contiguous_map = val & 0x01;
break;
default:
- printf("ERROR: unaffected IO port write: %04lx => %02x\n",
- (long)addr, val);
+ printf("ERROR: unaffected IO port write: %04" PRIx32
+ " => %02" PRIx32"\n", addr, val);
break;
}
}
@@ -401,16 +420,18 @@ static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr)
retval = sysctrl->contiguous_map;
break;
default:
- printf("ERROR: unaffected IO port: %04lx read\n", (long)addr);
+ printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
break;
}
- PPC_IO_DPRINTF("0x%08lx <= 0x%08x\n", (long)addr - PPC_IO_BASE, retval);
+ PPC_IO_DPRINTF("0x%08" PRIx32 " <= 0x%02" PRIx32 "\n",
+ addr - PPC_IO_BASE, retval);
return retval;
}
-static inline target_phys_addr_t prep_IO_address (sysctrl_t *sysctrl,
- target_phys_addr_t addr)
+static always_inline target_phys_addr_t prep_IO_address (sysctrl_t *sysctrl,
+ target_phys_addr_t
+ addr)
{
if (sysctrl->contiguous_map == 0) {
/* 64 KB contiguous space for IOs */
@@ -452,7 +473,7 @@ static void PPC_prep_io_writew (void *opaque, target_phys_addr_t addr,
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap16(value);
#endif
- PPC_IO_DPRINTF("0x%08lx => 0x%08x\n", (long)addr, value);
+ PPC_IO_DPRINTF("0x" PADDRX " => 0x%08" PRIx32 "\n", addr, value);
cpu_outw(NULL, addr, value);
}
@@ -466,7 +487,7 @@ static uint32_t PPC_prep_io_readw (void *opaque, target_phys_addr_t addr)
#ifdef TARGET_WORDS_BIGENDIAN
ret = bswap16(ret);
#endif
- PPC_IO_DPRINTF("0x%08lx <= 0x%08x\n", (long)addr, ret);
+ PPC_IO_DPRINTF("0x" PADDRX " <= 0x%08" PRIx32 "\n", addr, ret);
return ret;
}
@@ -480,7 +501,7 @@ static void PPC_prep_io_writel (void *opaque, target_phys_addr_t addr,
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap32(value);
#endif
- PPC_IO_DPRINTF("0x%08lx => 0x%08x\n", (long)addr, value);
+ PPC_IO_DPRINTF("0x" PADDRX " => 0x%08" PRIx32 "\n", addr, value);
cpu_outl(NULL, addr, value);
}
@@ -494,7 +515,7 @@ static uint32_t PPC_prep_io_readl (void *opaque, target_phys_addr_t addr)
#ifdef TARGET_WORDS_BIGENDIAN
ret = bswap32(ret);
#endif
- PPC_IO_DPRINTF("0x%08lx <= 0x%08x\n", (long)addr, ret);
+ PPC_IO_DPRINTF("0x" PADDRX " <= 0x%08" PRIx32 "\n", addr, ret);
return ret;
}
@@ -514,23 +535,27 @@ CPUReadMemoryFunc *PPC_prep_io_read[] = {
#define NVRAM_SIZE 0x2000
/* PowerPC PREP hardware initialisation */
-static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
- DisplayState *ds, const char **fd_filename,
- int snapshot, const char *kernel_filename,
+static void ppc_prep_init (int ram_size, int vga_ram_size,
+ const char *boot_device, DisplayState *ds,
+ const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
- CPUState *env;
+ CPUState *env = NULL, *envs[MAX_CPUS];
char buf[1024];
- m48t59_t *nvram;
+ nvram_t nvram;
+ m48t59_t *m48t59;
int PPC_io_memory;
int linux_boot, i, nb_nics1, bios_size;
unsigned long bios_offset;
uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
- ppc_def_t *def;
PCIBus *pci_bus;
qemu_irq *i8259;
+ int ppc_boot_device;
+ int index;
+ BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ BlockDriverState *fd[MAX_FD];
sysctrl = qemu_mallocz(sizeof(sysctrl_t));
if (sysctrl == NULL)
@@ -539,32 +564,42 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
linux_boot = (kernel_filename != NULL);
/* init CPUs */
-
- env = cpu_init();
- qemu_register_reset(&cpu_ppc_reset, env);
- register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
-
if (cpu_model == NULL)
cpu_model = "default";
- ppc_find_by_name(cpu_model, &def);
- if (def == NULL) {
- cpu_abort(env, "Unable to find PowerPC CPU definition\n");
+ for (i = 0; i < smp_cpus; i++) {
+ env = cpu_init(cpu_model);
+ if (!env) {
+ fprintf(stderr, "Unable to find PowerPC CPU definition\n");
+ exit(1);
+ }
+ if (env->flags & POWERPC_FLAG_RTC_CLK) {
+ /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
+ cpu_ppc_tb_init(env, 7812500UL);
+ } else {
+ /* Set time-base frequency to 100 Mhz */
+ cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
+ }
+ qemu_register_reset(&cpu_ppc_reset, env);
+ register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
+ envs[i] = env;
}
- cpu_ppc_register(env, def);
- /* Set time-base frequency to 100 Mhz */
- cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
/* allocate RAM */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
/* allocate and load BIOS */
bios_offset = ram_size + vga_ram_size;
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
+ if (bios_name == NULL)
+ bios_name = BIOS_FILENAME;
+ snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
bios_size = load_image(buf, phys_ram_base + bios_offset);
if (bios_size < 0 || bios_size > BIOS_SIZE) {
cpu_abort(env, "qemu: could not load PPC PREP bios '%s'\n", buf);
exit(1);
}
+ if (env->nip < 0xFFF80000 && bios_size < 0x00100000) {
+ cpu_abort(env, "PowerPC 601 / 620 / 970 need a 1MB BIOS\n");
+ }
bios_size = (bios_size + 0xfff) & ~0xfff;
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);
@@ -592,12 +627,24 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
initrd_base = 0;
initrd_size = 0;
}
- boot_device = 'm';
+ ppc_boot_device = 'm';
} else {
kernel_base = 0;
kernel_size = 0;
initrd_base = 0;
initrd_size = 0;
+ ppc_boot_device = '\0';
+ /* For now, OHW cannot boot from the network. */
+ for (i = 0; boot_device[i] != '\0'; i++) {
+ if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
+ ppc_boot_device = boot_device[i];
+ break;
+ }
+ }
+ if (ppc_boot_device == '\0') {
+ fprintf(stderr, "No valid boot device for Mac99 machine\n");
+ exit(1);
+ }
}
isa_mem_base = 0xc0000000;
@@ -625,34 +672,51 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
if (nb_nics1 > NE2000_NB_MAX)
nb_nics1 = NE2000_NB_MAX;
for(i = 0; i < nb_nics1; i++) {
- if (nd_table[0].model == NULL
- || strcmp(nd_table[0].model, "ne2k_isa") == 0) {
+ if (nd_table[i].model == NULL
+ || strcmp(nd_table[i].model, "ne2k_isa") == 0) {
isa_ne2000_init(ne2000_io[i], i8259[ne2000_irq[i]], &nd_table[i]);
- } else if (strcmp(nd_table[0].model, "?") == 0) {
- fprintf(stderr, "qemu: Supported NICs: ne2k_isa\n");
- exit (1);
} else {
- /* Why ? */
- cpu_abort(env, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
- exit (1);
+ pci_nic_init(pci_bus, &nd_table[i], -1);
}
}
- for(i = 0; i < 2; i++) {
+ if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
+ fprintf(stderr, "qemu: too many IDE bus\n");
+ exit(1);
+ }
+
+ for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
+ index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
+ if (index != -1)
+ hd[i] = drives_table[index].bdrv;
+ else
+ hd[i] = NULL;
+ }
+
+ for(i = 0; i < MAX_IDE_BUS; i++) {
isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
- bs_table[2 * i], bs_table[2 * i + 1]);
+ hd[2 * i],
+ hd[2 * i + 1]);
}
i8042_init(i8259[1], i8259[12], 0x60);
DMA_init(1);
// AUD_init();
// SB16_init();
- fdctrl_init(i8259[6], 2, 0, 0x3f0, fd_table);
+ for(i = 0; i < MAX_FD; i++) {
+ index = drive_get_index(IF_FLOPPY, 0, i);
+ if (index != -1)
+ fd[i] = drives_table[index].bdrv;
+ else
+ fd[i] = NULL;
+ }
+ fdctrl_init(i8259[6], 2, 0, 0x3f0, fd);
/* Register speaker port */
register_ioport_read(0x61, 1, 1, speaker_ioport_read, NULL);
register_ioport_write(0x61, 1, 1, speaker_ioport_write, NULL);
/* Register fake IO ports for PREP */
+ sysctrl->reset_irq = first_cpu->irq_inputs[PPC6xx_INPUT_HRESET];
register_ioport_read(0x398, 2, 1, &PREP_io_read, sysctrl);
register_ioport_write(0x398, 2, 1, &PREP_io_write, sysctrl);
/* System control ports */
@@ -675,13 +739,16 @@ static void ppc_prep_init (int ram_size, int vga_ram_size, int boot_device,
usb_ohci_init_pci(pci_bus, 3, -1);
}
- nvram = m48t59_init(i8259[8], 0, 0x0074, NVRAM_SIZE, 59);
- if (nvram == NULL)
+ m48t59 = m48t59_init(i8259[8], 0, 0x0074, NVRAM_SIZE, 59);
+ if (m48t59 == NULL)
return;
- sysctrl->nvram = nvram;
+ sysctrl->nvram = m48t59;
/* Initialise NVRAM */
- PPC_NVRAM_set_params(nvram, NVRAM_SIZE, "PREP", ram_size, boot_device,
+ nvram.opaque = m48t59;
+ nvram.read_fn = &m48t59_read;
+ nvram.write_fn = &m48t59_write;
+ PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "PREP", ram_size, ppc_boot_device,
kernel_base, kernel_size,
kernel_cmdline,
initrd_base, initrd_size,